JP2005161068A5 - - Google Patents

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JP2005161068A5
JP2005161068A5 JP2004365373A JP2004365373A JP2005161068A5 JP 2005161068 A5 JP2005161068 A5 JP 2005161068A5 JP 2004365373 A JP2004365373 A JP 2004365373A JP 2004365373 A JP2004365373 A JP 2004365373A JP 2005161068 A5 JP2005161068 A5 JP 2005161068A5
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patient
ventilation
value
breathable gas
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JP2004365373A
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JP4643247B2 (en
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心不全、チェーン・ストークス型呼吸又は中枢型睡眠無呼吸症の治療装置であって、
陽圧の呼吸可能な気体の制御可能な供給源（１０）と、
患者の気道に前記呼吸可能な気体を陽圧で供給する手段（１１，１２）と、
患者の呼吸気流の測定量を導く手段（１４，１５，１６）と、
入力変数と基準量とを受け取るサーボコントローラーであって、該入力変数の値を該基準量の値に近づけるために用いられる出力を与えるサーボコントローラー（１６）と、を有する治療装置において、
（ｉ）上記入力変数は、瞬間換気の測定量であり、
（ｉｉ）上記基準量は、呼吸気流の測定量から得られた換気の長期的な測定量の百分率であり、
上記百分率は、プラスのフィードバックを生じる値よりは小さく、且つ、チェーン・ストークス型呼吸の残存を許す値よりは大きく、
上記長期は、未治療のチェーン・ストークス型呼吸又は中枢型睡眠無呼吸症の増大・減少サイクルの時間スケールよりも長い時間スケールであることを特徴とする、治療装置。 A device for treating heart failure, Chain Stokes breathing or central sleep apnea,
A controllable source of positive pressure breathable gas (10) ;
Means (11, 12) for supplying said breathable gas to the patient's respiratory tract at a positive pressure ;
Means (14, 15, 16) for deriving a measured amount of respiratory airflow of the patient;
A servo controller that receives an input variable and a reference quantity, the servo controller (16) providing an output used to approximate the value of the input variable to the value of the reference quantity,
(I) The input variable is a measure of instantaneous ventilation,
(Ii) The reference amount is a percentage of the long-term measured amount of ventilation obtained from the measured amount of respiratory airflow,
The percentage is less than the value that produces positive feedback and greater than the value that allows the remainder of the chain-Stokes breath,
The treatment apparatus according to claim 1 , wherein the long period is a time scale longer than a time scale of an increase / decrease cycle of untreated Chain Stokes respiration or central sleep apnea . 上記百分率は９５％である、請求項１記載の治療装置。 The above percentages are Ru 95% der treatment apparatus according to claim 1. 上記瞬間換気の上記測定量は、数秒未満の短時間に吸入される上記呼吸可能な気体の体積として計算される、請求項１記載の治療装置。 The measure of the instantaneous ventilation, Ru is calculated as the volume of the breathable gas to be inhaled in a short time of less than a few seconds, the treatment apparatus according to claim 1. 上記瞬間換気の上記測定量は、数秒未満の短時間に排出される上記呼吸可能な気体の体積として計算される、請求項１記載の治療装置。 The measure of the instantaneous ventilation, Ru is calculated as the volume of the breathable gas discharged in a short time of less than a few seconds, the treatment apparatus according to claim 1. 上記瞬間換気の上記測定量は、数秒未満の短時間に吸入されたり排出されたりする上記呼吸可能な気体の体積の平均値として計算される、請求項１記載の治療装置。 The treatment device according to claim 1 , wherein the measured amount of the instantaneous ventilation is calculated as an average value of a volume of the breathable gas that is inhaled or discharged in a short time of less than several seconds . 上記瞬間換気の上記測定量は、数秒と比較して短い時間に亘る上記呼吸気流の絶対値の平均値の半分として計算される、請求項１記載の治療装置。 The measure of the instantaneous ventilation, Ru is calculated as half the average value of the absolute value of the respiratory airflow over a short as compared to the few seconds time, the treatment apparatus according to claim 1. 上記瞬間換気の上記測定量は、数秒と比較して短い時定数を有する低域通過フィルターにかけられた上記呼吸気流の絶対値の半分として計算される、請求項１記載の治療装置。 The said measure of instantaneous ventilation, Ru is calculated as half the absolute value of the respiratory airflow has been subjected to low-pass filter having a time constant shorter than the few seconds, the treatment apparatus according to claim 1. 上記サーボコントローラーは、換気補助の程度が最小の補助の程度より小さくならないように、更に、上記患者の気道に供給される上記呼吸可能な気体によって提供される換気補助の程度をクリップするような動作が可能であり、
上記最小の補助の程度は、患者の呼吸作用を実行するのに十分な程度であるが、しかし、患者の全呼吸作用を実行する換気補助よりも小さい程度である、請求項１〜７のいずれかに記載の治療装置。 The servo controller is further operated to clip the degree of ventilation assistance provided by the breathable gas supplied to the patient's airway so that the degree of ventilation assistance is not less than the minimum degree of assistance. Is possible,
The extent of the minimum of the auxiliary is a degree sufficient to perform the respiration of a patient, but, Ru smaller extent der than ventilatory support to perform all the respiration of a patient, according to claim 1 to 7 The therapeutic apparatus in any one . 上記サーボコントローラーは、換気補助の程度が最大の補助の程度を超えないように、更に、上記患者の気道に供給される上記呼吸可能な気体によって提供される換気補助の程度をクリップするような動作が可能であり、
上記最大の補助の程度は、患者の呼吸作用のほとんど又は全部を実行するのに十分な程度であるが、しかし、危険ではない程度である、請求項１〜７のいずれかに記載の治療装置。 The servo controller operates to clip the degree of ventilation assistance provided by the breathable gas supplied to the patient's airway so that the degree of ventilation assistance does not exceed the maximum degree of assistance. Is possible,
The extent of assistance of the maximum is a degree sufficient to perform most or all of the respiration of a patient, but, Ru extent der not dangerous, according to claim 1 treatment Equipment . 上記サーボコントローラーは、更に、患者が十分に呼吸している時には、患者の呼吸気流と同調させて患者の気道に供給される呼吸可能な気体を変調するような動作が可能であり、また、患者が十分に呼吸していない時には、事前に設定された割合で患者の気道に供給される呼吸可能な気体を変調するような動作が可能である、請求項１〜９のいずれかに記載の治療装置。 The servo controller is further operable to modulate breathable gas delivered to the patient's airway in synchrony with the patient's respiratory airflow when the patient is fully breathing, and is when not enough breathing preconfigured proportion operation to modulate the breathable gas delivered to the patient's airway is Ru possible der, according to any one of claims 1 to 9 Therapeutic device . 心不全、チェーン・ストークス型呼吸又は中枢型睡眠無呼吸症の治療における患者の呼吸気流について得られた測定量に基づき、患者の気道に呼吸可能な気体を陽圧で供給することを制御するのに相応しい制御信号を計算する方法であって、入力変数と基準量とを受け取り該入力変数の値を該基準量の値に近づけるのに適切な出力として該制御信号を与えるサーボ制御手順を有する方法にして、
（ｉ）上記入力変数は、患者の瞬間換気について得られた測定量であり、
（ｉｉ）上記基準量は、呼吸気流の測定量から得られた換気の長期的な測定量の百分率であり、
上記百分率は、プラスのフィードバックを生じる値よりは小さく、且つ、チェーン・ストークス型呼吸の残存を許す値よりは大きく、
上記長期は、未治療のチェーン・ストークス型呼吸又は中枢型睡眠無呼吸症の増大・減少サイクルの時間スケールよりも長い時間スケールであることを特徴とする、方法。
 To control the supply of breathable gas to the patient's respiratory tract at positive pressure based on measurements obtained for the patient's respiratory airflow in the treatment of heart failure, Chain Stokes breathing, or central sleep apnea A method for calculating an appropriate control signal, comprising a servo control procedure for receiving an input variable and a reference quantity and providing the control signal as an appropriate output to bring the value of the input variable close to the value of the reference quantity. And
(I) The input variable is a measured quantity obtained for the patient's instantaneous ventilation;
(Ii) The reference amount is a percentage of the long-term measured amount of ventilation obtained from the measured amount of respiratory airflow,
The percentage is less than the value that produces positive feedback and greater than the value that allows the remainder of the chain-Stokes breath,
The method wherein the long period of time is a time scale that is longer than the time scale of an increase / decrease cycle of untreated Chain-Stokes respiration or central sleep apnea .
JP2004365373A 1998-05-22 2004-12-17 Ventilation assistance for the treatment of heart failure and Chain Stokes-type breathing Expired - Lifetime JP4643247B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPP3663A AUPP366398A0 (en) 1998-05-22 1998-05-22 Ventilatory assistance for treatment of cardiac failure and cheyne-stokes breathing

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JP2000550547A Division JP3737698B2 (en) 1998-05-22 1999-05-21 Ventilation assistance for the treatment of heart failure and Chain Stokes-type breathing

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JP2005161068A JP2005161068A (en) 2005-06-23
JP2005161068A5 true JP2005161068A5 (en) 2006-06-22
JP4643247B2 JP4643247B2 (en) 2011-03-02

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JP2004365373A Expired - Lifetime JP4643247B2 (en) 1998-05-22 2004-12-17 Ventilation assistance for the treatment of heart failure and Chain Stokes-type breathing
JP2010188338A Expired - Fee Related JP5248560B2 (en) 1998-05-22 2010-08-25 Ventilation assistance for the treatment of heart failure and Chain Stokes-type breathing

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US (7) US6532959B1 (en)
EP (6) EP2269675A3 (en)
JP (3) JP3737698B2 (en)
AT (1) ATE377437T1 (en)
AU (3) AUPP366398A0 (en)
DE (1) DE69937492T2 (en)
ES (1) ES2446523T3 (en)
WO (1) WO1999061088A1 (en)

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